______,Set aside.,With mixer, beat together butter, sugar, and eggs at medium speed until smooth.,Add melted chocolate and continue mixing on medium speed until blended.,Reduce speed to low and add dry ingredients.,Add chocolate chips and walnuts; mix well.,Drop by tablespoons onto cookie sheets, one inch apart.,Bake at 350 degrees F until cookies look dry and cracked but feel soft when lightly pressed, about 11 minutes.,Let cookie stand on sheet for 5 minutes.